True or false: Network documentation should remain available even when the primary network is unavailable.
5 Network Operations and Reliability Online Quiz Questions
Use this free practice quiz with 20 questions to review 5 Network Operations and Reliability, test your knowledge, and prepare for your next test or exam.
Which high-availability design uses a standby system that takes over when the active system fails?
- A
Both systems serve traffic at the same time
- B
A standby system takes over when the active system fails
- C
Traffic is distributed across multiple service instances
- D
A system transfers service to an alternate site only during scheduled maintenance
Which set of details belongs in a network device inventory?
- A
Only network passwords and user accounts
- B
Only current bandwidth measurements
- C
Device roles, models, software or firmware versions, and locations
- D
Only the names of external service providers
To distinguish meaningful deviations from routine fluctuations, operators establish a of normal network behavior.
True or false: Two redundant links may still share a single point of failure if they use the same conduit or provider.
- A
True
- B
False
A service has a 99.9% annual availability target. About how much downtime does that allow in a 365-day year?
- A
About 0.876 hours
- B
About 8.76 hours
- C
About 87.6 hours
- D
About 876 hours
The sets the maximum acceptable time to restore a service. The sets the maximum acceptable amount of data loss, expressed as time before the disruption.
Which details make a network alert actionable? Select all correct choices.
- A
Affected asset
- B
A general statement that the network is slow
- C
Condition detected
- D
Time of the event
- E
An unrelated historical event
- F
Severity
- G
Appropriate response procedure
Which elements and follow-up practices support effective recovery planning? Select all correct choices.
- A
Service priorities and owners
- B
Dependencies and recovery steps
- C
Backup locations and access requirements
- D
A guarantee that no disruption will occur
- E
Communications and validation checks
- F
A process for recording failures and updating the plan after an exercise
Before changing a routing policy that could affect reachability, which preparation best supports a controlled and reversible change?
- A
Apply the change first, then save the previous policy if service fails
- B
Rely on the device's current running state without recording it
- C
Record the current policy and affected routes, confirm an alternate management path, and define how to restore the prior configuration
- D
Make several unrelated routing changes at once to reduce maintenance time
True or false: Confirming that backups completed is sufficient to show that a recovery plan can restore systems and data.
- A
True
- B
False
A critical network service has an RTO of four hours and an RPO of fifteen minutes. Describe what these objectives require during a disruption and outline the key elements the organization should include in a recovery plan for the service.
A building access point is unreachable. Which record would best help staff determine whether the problem is the access point itself or its cabling or switch port?
- A
A circuit provider record listing the building's internet carrier
- B
A port map showing which switch port serves the access point
- C
A software inventory listing installed network applications
- D
A logical diagram showing subnet boundaries but not device connections
An administrator wants to collect network-device event messages centrally so they can be searched and correlated. Which technology is designed for this purpose?
- A
Syslog
- B
A subnet address record
- C
A configuration baseline
- D
A load balancer
Operators need to investigate rising errors on a network interface. Which alert would provide the most useful information for assessing and responding to the problem?
- A
A notification that says only “network slow”
- B
A message reporting that a device has been monitored
- C
An alert naming the affected interface, rising error condition, time, severity, baseline, and response procedure
- D
A daily report that lists all device names without health information
What analysis identifies an organization's essential services, their dependencies, and the consequences of downtime?
A network team wants to detect unauthorized or accidental changes to device settings. Which practice directly supports this goal?
- A
Compare device uptime with the service availability target
- B
Compare log retention periods with backup frequency
- C
Compare the device inventory with the port map
- D
Compare live device settings with approved configuration baselines
Which recovery measure sets the maximum acceptable amount of data loss, expressed as the time between a disruption and the latest recoverable data?
A network team needs its management system to query device information and receive event notifications while supporting authentication and privacy. Which SNMP version should it prefer where supported?
A team discusses decisions and responsibilities during a disruption scenario but does not attempt to restore systems. What type of exercise is this?